SQL Advanced in MySQL ( sqlmysqladv | 7 hours )

Good SQL knowledge.

This course has been created for people already acquainted with SQL. The course introduces you into secrets common to all SQL databases as well as MySQL specific syntax, functions and features.

DQL (Data Query Language)

• Correlation in FROM, WHERE, SELECT and HAVING clauses
• Correlation and performance
• Using CASE, IF, COALESCE functions
• Using variables
• Casting and converting
• Dealing with NULL, NULL-safe operators
• Using regular expression with REGEXP operator
• Useful MySQL specific group by functions (GROUP_CONCAT, etc.)
• GROUP BY WITH ROLLUP
• EXISTS, ALL, ANY
• Multitable OUTER JOIN
• Rewriting subqueries as joins

DML (Data Modification Language)

• Multi-row inserts
• INSERT by SELECT
• Using subqueries in DML statements
• Using variables in DML queries
• Locking tables and rows
• Updating data in many tables
• IGNORE clause
• REPLACE clause
• DELETE versus TRUNCATE

DDL (Data Definition Language)

• Creating tables with select
• Temporary tables

Stored Procedures

• Short introduction to MySQL stored procedures